Tomographic Imaging Using Photonically Generated Low-Coherence Terahertz Noise Sources

被引：27

作者：

Isogawa, Takayuki ^{[1
]}

Kumashiro, Takuto ^{[2
]}

Song, Ho-Jin ^{[3
]}

Ajito, Katsuhiro ^{[4
,5
]}

Kukutsu, Naoya ^{[3
]}

Iwatsuki, Katsumi ^{[6
]}

Nagatsuma, Tadao ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn Sci, Osaka 5608531, Japan

[2] Toyota Corp, Toyota, Japan

[3] Nippon Telegraph & Tel Corp, NTT Microsyst Integrat Labs, Atsugi, Kanagawa, Japan

[4] NTT Microsyst Integrat Labs, Smart Devices Lab, Terahertz Spectroscop Anal Project, Atsugi, Kanagawa, Japan

[5] NTT Sci & Core Technol Lab Grp, Atsugi, Kanagawa, Japan

[6] NTT Serv Integrat Labs, Atsugi, Kanagawa, Japan

来源：

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY | 2012年 / 2卷 / 05期

关键词：

Imaging; low-coherence; noise sources; terahertz; tomography; RANGE;

D O I：

10.1109/TTHZ.2012.2208745

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Three-dimensional (3D) terahertz (THz) imaging or THz tomography has recently proven to be powerful for non-destructive testing of industrial materials and structures. In order to reduce complexity and cost of conventional THz tomography systems, we propose a new approach using broadband THz noise sources based on amplified spontaneous emission noise, which is analogous to the optical coherence tomography (OCT) using broadband infrared sources. We have experimentally demonstrated a 3D imaging system with depth and spatial resolutions of 1 and 2 mm, respectively, by 280-380 GHz band noise signals.

引用

页码：485 / 492

页数：8

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